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What is a spontaneous mutation

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Reference no: EM132419711

Biology Questions -

Q1. Our DNA is subject to mutations on a daily basis. Why do most mutations that occur in the genome of organisms escape detection and not elicit a deleterious effect? Why does the child of someone with cancer not necessarily develop cancer?

Q2. Why do you think gene regulation is more complex in a multicellular organism versus a single-celled organism? Why is it harder to study gene regulation in eukaryotes?

Q3. What is a spontaneous mutation, and why are spontaneous mutations rare?

Q4. Why would a mutation in a somatic cell of a multicellular organism escape detection?

Q5. Why is gene regulation more complex in a multicellular eukaryote than in a prokaryote? Why is the study of this phenomenon in eukaryotes more difficult?

Q6. Provide a brief description of two different types of histone modification.

Q7. Where are the major regulatory points in the cell cycle?

Q8. Define tumor-suppressor genes. Why is a mutated single copy of a tumor-suppressor gene expected to behave as a recessive gene?

Reference no: EM132419711

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